Chapter 2 Application Layer1.In a client-server paradigm, a _ program provides services to a (another) _ program.A)client; clientB)client; serverC)server; clientD)server; server2.In a client-server paradigmA)both the server and the client must be running all the time.B)both the server and the client need to be running only when they are needed.C)the server must be running all the time but the client needs to be running only when it is needed.D)